diff --git a/app/contexts/search_context.rb b/app/contexts/search_context.rb
index ff32297..c07fdfe 100644
--- a/app/contexts/search_context.rb
+++ b/app/contexts/search_context.rb
@@ -6,7 +6,8 @@ class SearchContext
   end
 
   def execute
-    query = Shellwords.shellescape(params[:search])
+    query = params[:search]
+    query = Shellwords.shellescape(query) if query.present?
 
     return result unless query.present?
 
--
libgit2 0.21.2